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| Fernando,Juliana Aparecida; Vieira,Maria Lúcia Carneiro; Geraldi,Isaías Olívio; Appezzato-da-Glória,Beatriz. |
| A comparative anatomical analysis of somatic embryogenesis in two soybean (Glycine max (L.) Merrill) genotypes was carried out. The somatic embryos were originated from cotyledonary explants obtained from immature zygotic embryos. The medium used for somatic embryogenesis induction was Murashige and Skoog, 1962, salts and Gamborg et al., 1968, vitamins (MSB) supplemented with 0.8 mg.L-1 of 2,4-D for genotype PI 123439 and 40 mg.L-1 of 2,4-D for Williams 82. Globular structures, constituted by meristematic cells, originated from subepidermal cell divisions of the cotyledonary mesophyll. In PI 123439, the globular structures presented tracheary differentiation among meristematic cells and they could follow distinct morphogenetic process depending on their... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Glycine max anatomy somatic embryogenesis 2; 4-D. |
| Ano: 2002 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132002000300005 |
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| Gupta,Saurabh; Khosravy,Mahdi; Gupta,Neeraj; Darbari,Hemant; Patel,Nilesh. |
| Abstract Agricultural Machinery as an off-road vehicle is the backbone of the World agricultural industry. Its main function is to operate as a prime mover and support the power requirements to function the various type of draft implements. In this regards, the hydraulic system is an important part and is controlled by the propagated oil which is cleaned by impurities and debris using a filter system. Once it blocks, the bypass opens to avoid any pressure burst of the system, and the particles find their way into the hydraulic system and get lodged in the gears, pumps, valves, and drive train to hinder the performance of the Agricultural Machinery. This research presents an onboard Multiple Signal Classification Algorithm (MUSIC) and pseudo-spectrum... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Predictive maintenance; Preventive maintenance; Hydraulic systems; Acoustic measurements; Computerized instrumentation; Acoustic signal detection; Fault diagnosis. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132019000100213 |
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| Nunes,Cristina Freitas; Fonseca,Fabiane; Leite,Alice Teixeira Meirelles; Silva Filho,Rodolfo Pinho da; Finger,Paula Fonseca; Castro,Clarissa Caetano; Fischer,Geferson; Vargas,Gilberto D'avila; Hübner,Silvia de Oliveira. |
| To investigate the exposure of the Newcastle disease virus (NDV), infectious bursal disease virus (IBDV) and avian poxvirus (APV) in Magellanic penguins found on the beaches in Southern regions of Brazil, the frequency of serum antibodies was estimated in 89 samples taken during 2005 and 2006. All the penguins were negative for the presence of antibodies against NDV by hemagglutination inhibition test and to APV by indirect ELISA. The reactivity was similar to the positives controls using ELISA kit for the IBDV made in the chickens in 50 samples. This reactivity also was demonstrated in 42 samples using agar gel immunodiffusion. No clinical signs related to IBDV infection were observed. The results indicated the absence of infection by NDV and APV but... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Magellanic penguins; Antibodies; Newcastle disease virus; Infectious bursal disease virus; Avian poxvirus. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132012000400008 |
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| Joyeux,Jean-Christophe; Campanha Filho,Edmar Augusto; Jesus,Honério Coutinho de. |
| Muscular tissue from wild-caught mullet (Mugil spp.) and snook (Centropomus spp.) was analyzed by atomic absorption spectrometry to determine muscle contamination levels for cadmium, chromium, copper, lead and zinc and evaluate risks to human health associated with seafood consumption. Fishes were captured by subsistence fishermen in Vitória Bay, a Brazilian tropical estuary with numerous outfalls of untreated industrial and residential sewage. Based on the premisses that subsistence fisherman and local consumer show weak (culinary or other) preferences within the taxa studied, analyses were conducted and results are reported for genera. Snook cadmium, chromium, copper and zinc concentrations were positively correlated with size or weight. Mullet chromium... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Estuary; Cd; Cr; Cu; Pb; Zn; Snook; Mullet. |
| Ano: 2004 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132004000500012 |
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| Moreno,Silvana Ramos Farias; Carvalho,Jorge José de; Nascimento,Ana Lúcia; Olej,Beni; Rocha,Emely Kazan; Arnobio,Adriano; Bernardo-Filho,Mário; Caldas,Luiz Querino de Araújo; Honeycut,Hayden. |
| The influence (in vivo and in vitro) of an Uncaria tomentosa extract (Cats claw) on the labeling of red blood cells (RBCs) and plasma and cellular proteins with technetium-99m (Tc-99m) was evaluated. For the in vivo treatment, animals were treated with Cats claw. For the in vitro treatment, heparinized blood was incubated with Cats claw before the addition of stannous chloride (SnCl2) and Tc-99m. Samples of plasma (P) and RBCs were separated and also precipitated with trichloroacetic acid. The soluble and insoluble fractions of P and RBCs were isolated. The analysis of the results of the in vivo study, indicates that there is no significant alteration on the uptake of Tc-99m by the blood constituents, but it significantly decrease (p<0.05) the labeling... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Uncaria tomentosa; Technetium-99m; Radiolabeling; Blood constituents. |
| Ano: 2008 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132008000700024 |
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| Namjooyan,Foroogh; Farasat,Massoumeh; Alishahi,Mojtaba; Jahangiri,Alireza; Mousavi,Hamideh. |
| Abstract Melanogenesis is a biological process which led to the synthesis of melanin pigment. Abnormal melanin production results in melasma, solar lentigo, post inflammatory melanoderma, etc. In this study, we examined the potential inhibitory effects of 17 brown macroalgae from Persian Gulf on melanogenesis. The effects of various concentrations (100, 250 and 500 µg/mL) of methanolic extracts of macroalgae belonging to four genera (including: Padina, Colpomonia, Cystoseira and Sargassum) were studied on oxidation of L-Dopa by mushroom tyrosinase. Subsequently, the activity of macroalgae with high inhibitory effect on monophenolase activity of mushroom tyrosinase and zebrafish was investigated using L-tyrosine as a substrate. Anti-melanogenesis effects of... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Algae; Persian Gulf; Melanogenesis; Mushroom tyrosinase; Zebrafish. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132019000100301 |
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| Gutkoski,Luiz Carlos; El-Dash,Ahmed Atia. |
| The present research had as objective to study the effects of moisture and extrusion temperatures on the oxidative stability of oat fine (< 532 µm) milling products. The oat caryopsis were ground in a Brabender mill and separated in two fractions, coarse over 532 µm and fine less than 532 µm. The fine fraction, with higher amount of starch and low amount of crude protein, lipids and dietary fiber content when compared to oat coarse milling products was conditioned to moisture levels (15.5-25.5 %) and extruded in a simple one-screw Brabender laboratory extruder (C/D= 20:1). The conditions of extrusion were compression ratio 3:1, screw speed of 100 rpm, a die of 6 mm in diameter and temperatures between 77.6 and 162.4 ºC in the 2nd and 3rd zones while the... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Avena sativa; Lipids; Peroxide; N-hexanal. |
| Ano: 1998 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89131998000400003 |
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| Lorenzon,Maria Cristina Affonso; Conde,Marilena de Menezes Silva; Barbosa,Celso Guimarães. |
| This study examined species richness and relative abundance of eusocial Apidae in an insular region of rain-forest, southeastern Brazil. Sampling took place during one year, using an standardized method with entomological net, at sites of secondary growth habitats surrounded by Atlantic rain-forest. Thirteen species of eusocial Apidae were netted at flowers, over 80% of the captured individuals were meliponine species, although the presence of Apis mellifera, commonly dominant in Brazilian habitats. Foraging activity of these bee species were essentially non-seasonal, apparently affected by high humidity. The patterns in abundance and species richness observed in Ilha Grande differed with other studies conducted at tropical islands, which were... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Tropical rain forest; Meliponine species; Bee community; Niche. |
| Ano: 2006 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132006000600007 |
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| Registros recuperados: 2.860 | |
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